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Q: 4x - 5y = 3 x = 3 - 1/2y What is the value of x
A: 4x - 5y = 3 x = 3 - 1/2y 4(3 - 1/2y) - 5y = 3 12 - 2y - 5y = 3 12 - 7y = 3 -7y = 3 - 12 -7y = -9 y = 9/7 4x - 5(9/7) = 3 4x - 45/7 = 3 4x = 3 + 45/7 4x = 66/7 x = (66/7)/4 x = 66/28 x = 33/14 The value of x is 33/14.
Question
Updated 9/14/2015 12:48:55 AM
Edited by Andrew. [9/14/2015 12:43:16 AM]
Rating
3
4x - 5y = 3
x = 3 - 1/2y
4(3 - 1/2y) - 5y = 3
12 - 2y - 5y = 3
12 - 7y = 3
-7y = 3 - 12
-7y = -9
y = 9/7
4x - 5(9/7) = 3
4x - 45/7 = 3
4x = 3 + 45/7
4x = 66/7
x = (66/7)/4
x = 66/28
x = 33/14
The value of x is 33/14.

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